In 1979, Alexander Rich, PhD, and his colleagues solved the structure of a self-complementary DNA hexamer and discovered that the molecule formed a left-handed double helix (Z-DNA). (Credit: Journal ...
"The importance of deoxyribonucleic acid (DNA) within living cells is undisputed" (Watson & Crick, 1953). This opening sentence of James Watson and Francis Crick's second major paper, published ...
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